-5[10-2(3+1)]=x

Solution for -5[10-2(3+1)]=x equation:

Simplifying
-5[10 + -2(3 + 1)] = x

Combine like terms: 3 + 1 = 4
-5[10 + -2(4)] = x

Multiply -2 * 4
-5[10 + -8] = x

Combine like terms: 10 + -8 = 2
-5[2] = x

Multiply -5 * 2
-10 = x

Solving
-10 = x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
-10 + -1x = x + -1x

Combine like terms: x + -1x = 0
-10 + -1x = 0

Add '10' to each side of the equation.
-10 + 10 + -1x = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -1x = 0 + 10
-1x = 0 + 10

Combine like terms: 0 + 10 = 10
-1x = 10

Divide each side by '-1'.
x = -10

Simplifying
x = -10